SCHEDULE 13D/A

Ramaco Resources Inc

Class A Common Stock, par value $0.01 per share · CUSIP: 75134P303

Event date: 2025-08-08

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Yorktown Energy Partners IX, L.P.Reported CIK 0001503466

  Shares: 3,097,134 · Class: 5.61%

• Yorktown IX Company LP

  Shares: 3,097,134 · Class: 5.61%

• Yorktown IX Associates LLC

  Shares: 3,097,134 · Class: 5.61%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.